“…SARS-CoV-2 strains (BetaCoV/Korea/KCDC03/2020, hCoV-19/Korea/KDCA51463/2021; GR, B.1.1.7, hCoV-19/Korea/KDCA55905/2021; GH, B.1.351, hCoV-19/Korea/KDCA72731/2021; GR, P.2 lineage, hCoV-19/Korea/KDCA49671/2021; GH, B.1.427, hCoV-19/Korea/KDCA59777/2021; GH, B.1.429, hCoV-19/Korea/KDCA79765/2021; G, B.1.525, hCoV-19/Korea/KDCA49671/2021; GH, B.1.526, hCoV-19/Korea/KDCA95637/2021; GR, P.1, hCoV-19/Korea/KDCA105288/2021; G, B.1.617.1, hCoV-19/Korea/KDCA119861/2021; G, B.1.617.2, hCoV-19/Korea/KDCA447321/2021; GRA, B.1.1529) were provided by the National Culture Collection for Pathogens (NCCP), which is operated by the Korea National Institute of Health. The strains were cultured as described previously. , All experiments involving the use of SARS-CoV-2 were performed at the Korea Centers for Disease Control and Prevention (KCDC)-approved BL-3 facility of KRIBB in accordance with institutional biosafety requirements. The genomic RNA of the viruses (SARS-CoV-2, influenza A virus subtype H1N1, H3N2, H5N2, H1N2, and H3H8, and RSV A) was provided by the NCCP.…”